diff --git a/build.mill b/build.mill
index 53333832c73..00aa1f24958 100644
--- a/build.mill
+++ b/build.mill
@@ -38,7 +38,7 @@ object v extends Module {
     j("version").stripPrefix("firtool-")
   }
   val pluginScalaCrossVersions = {
-    val scala213: Seq[String] = 0.to(18).map("2.13." + _)
+    val scala213: Seq[String] = 9.to(18).map("2.13." + _)
     val scala33:  Seq[String] = 7.to(7).map("3.3." + _)
     val scala38:  Seq[String] = 0.to(1).map("3.8." + _)
     scala213 ++ scala33 ++ scala38